Modelling, Computation and Optimization in Information Systems and Management Sciences : Second International Conference MCO 2008, Metz, France - Luxembourg, September 8-10, 2008, Proceedings - Hoai An, Le Thi (Herausgeber); Bouvry, Pascal (Herausgeber); Tao, Pham Dinh (Herausgeber) (Communications in Computer and Information Science, 2008)